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Andrade, P
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Authors
Sanchez, C.A
Andrade, P
Topics
4R's for N, P, K, S
Type
Oral
Year
2023
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Filter results1 paper(s) found.

1. Variable Rate N and P Management for High-value Vegetable Cropping Systems

The Lower Colorado River Region (LCRR) of Arizona and California and their environs produce more than 90% of the nation’s cool season vegetables during the fall-winter-spring period. Large amounts of N and P fertilizers are currently utilized for maximum yield and quality.  Phosphorus fertilizers are applied pre-plant based on a soil test of a composite field sample.  Nitrogen is applied by side-dress based on a plant midrib or petiole N analysis, or soil nitrate-N test, from a... C.A. Sanchez, P. Andrade